libpldm: Correct reference to libpldm header files

When relying on header files from external libraries, #include<> should
be used instead of #include "" to avoid ambiguity.

Tested: Built pldm successfully after enabling ibm-oem

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: Ia1997de7e0f61564055bbd837f4e24c8f14e55a5
diff --git a/libpldmresponder/pdr_utils.cpp b/libpldmresponder/pdr_utils.cpp
index cc999a8..fb7ffd6 100644
--- a/libpldmresponder/pdr_utils.cpp
+++ b/libpldmresponder/pdr_utils.cpp
@@ -1,8 +1,7 @@
-#include "libpldm/platform.h"
-
 #include "pdr.hpp"
 
 #include <config.h>
+#include <libpldm/platform.h>
 
 #include <climits>